#3F93BA#3F93BA

#3F93BA is a light, moderate cyan. Relative luminance 0.255; OKLCH L 62.8% C 0.099 H 231.5°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX#3F93BA
RGBrgb(63, 147, 186)
HSLhsl(199, 49%, 49%)
HSVhsv(199, 66%, 73%)
CMYKcmyk(66.1%, 21%, 0%, 27.1%)
CIE-LABlab(57.53, -13.02, -27.77)
CIE-LCHlch(57.53, 30.67, 244.88°)
OKLaboklab(62.83% -0.0619 -0.0778)
OKLCHoklch(62.83% 0.099 231.5)
XYZxyz(21.3431, 25.4671, 50.2357)
Luminance0.2547 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F93BA #BA663F
analogous
#3FBAA4 #3F93BA #3F56BA
triadic
#3F93BA #BA3F93 #93BA3F
tetradic
#3F93BA #A43FBA #BA663F #56BA3F
square
#3F93BA #A43FBA #BA663F #56BA3F
split-complementary
#3F93BA #BA3F56 #BAA43F
monochromatic
#204B5F #306F8C #3F93BA #6AADCC #97C6DC

Accessibility & contrast

On white

3.45
#3F93BA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.09
#3F93BA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F93BA
6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F93BA#FFFFFF#000000##000000
##3F93BA1.003.456.096.09
#FFFFFF3.451.0021.0021.00
#0000006.0921.001.001.00
##0000006.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#8091BC
Deuteranopia (green-blind)
#6E85B9
Tritanopia (blue-blind)
#009EA0
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #3f93ba;
/* rgb */ color: rgb(63, 147, 186);
/* oklch */ color: oklch(62.8% 0.099 231.5);
Tailwind
colors: {
  custom: {
    50: '#81b2cf',
    500: '#3f93ba',
    950: '#000000',
  },
}
SCSS
$custom: #3f93ba;
$custom-light: #81b2cf;
$custom-dark: #000000;
JSON
{
  "hex": "#3f93ba",
  "rgb": {
    "r": 63,
    "g": 147,
    "b": 186
  },
  "hsl": {
    "h": 199.024,
    "s": 49.398,
    "l": 48.824
  },
  "oklch": {
    "l": 0.62828,
    "c": 0.0994,
    "h": 231.5
  },
  "luminance": 0.25469
}

Semantic roles & 50–950 ramp

primary
#3F93BA
secondary
#C8A08D
accent
#7B4FD9
background
#F8FAFC
surface
#F0F5F9
border
#CBCFD2
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #3F93BA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#3F93BA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva